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Cheap Flights from Ulaanbaatar (UBN) to Busan (PUS)

View AU$168 flight on Fri, 25 Sept 2026Opens in a new window

Popular airlines from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Gimhae Airport (PUS)

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Cheap Flights from Ulaanbaatar (UBN) to Busan (PUS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Mon, 21 Sept - Sun, 27 Sept
UBN
Ulaanbaatar
PUS
Busan
AU$345 Return, found 15 hours ago
AU$345
Return
found 15 hours ago
Select Jeju Air with Bag flight, departing Mon, 21 Sept from Ulaanbaatar to Busan, returning Sun, 27 Sept, priced at AU$345 found 15 hours ago
Hahn Air Systems
Mon, 21 Sept - Sun, 27 Sept
UBN
Ulaanbaatar
PUS
Busan
AU$353 Return, found 15 hours ago
AU$353
Return
found 15 hours ago
Select Hahn Air Systems flight, departing Mon, 21 Sept from Ulaanbaatar to Busan, returning Sun, 27 Sept, priced at AU$353 found 15 hours ago
Jeju Air
Mon, 21 Sept - Sun, 27 Sept
UBN
Ulaanbaatar
PUS
Busan
AU$358 Return, found 15 hours ago
AU$358
Return
found 15 hours ago
Select Jeju Air flight, departing Mon, 21 Sept from Ulaanbaatar to Busan, returning Sun, 27 Sept, priced at AU$358 found 15 hours ago
Jeju Air with Bag
Mon, 21 Sept - Sun, 27 Sept
UBN
Ulaanbaatar
PUS
Busan
AU$367 Return, found 15 hours ago
AU$367
Return
found 15 hours ago
Select Jeju Air with Bag flight, departing Mon, 21 Sept from Ulaanbaatar to Busan, returning Sun, 27 Sept, priced at AU$367 found 15 hours ago
Jeju Air with Bag
Thu, 24 Sept - Thu, 1 Oct
UBN
Ulaanbaatar
PUS
Busan
AU$367 Return, found 15 hours ago
AU$367
Return
found 15 hours ago
Select Jeju Air with Bag flight, departing Thu, 24 Sept from Ulaanbaatar to Busan, returning Thu, 1 Oct, priced at AU$367 found 15 hours ago
Jeju Air with Bag
Thu, 24 Sept - Thu, 1 Oct
UBN
Ulaanbaatar
PUS
Busan
AU$369 Return, found 15 hours ago
AU$369
Return
found 15 hours ago
Select Jeju Air with Bag flight, departing Thu, 24 Sept from Ulaanbaatar to Busan, returning Thu, 1 Oct, priced at AU$369 found 15 hours ago
Jeju Air
Mon, 21 Sept - Sun, 27 Sept
UBN
Ulaanbaatar
PUS
Busan
AU$379 Return, found 15 hours ago
AU$379
Return
found 15 hours ago
Select Jeju Air flight, departing Mon, 21 Sept from Ulaanbaatar to Busan, returning Sun, 27 Sept, priced at AU$379 found 15 hours ago
Hahn Air Systems
Mon, 21 Sept - Sun, 27 Sept
UBN
Ulaanbaatar
PUS
Busan
AU$383 Return, found 15 hours ago
AU$383
Return
found 15 hours ago
Select Hahn Air Systems flight, departing Mon, 21 Sept from Ulaanbaatar to Busan, returning Sun, 27 Sept, priced at AU$383 found 15 hours ago
Korean Air
Mon, 21 Sept - Sun, 27 Sept
UBN
Ulaanbaatar
PUS
Busan
AU$683 Return, found 15 hours ago
AU$683
Return
found 15 hours ago
Select Korean Air flight, departing Mon, 21 Sept from Ulaanbaatar to Busan, returning Sun, 27 Sept, priced at AU$683 found 15 hours ago
Air China
Mon, 21 Sept - Thu, 1 Oct
UBN
Ulaanbaatar
PUS
Busan
AU$1,202 Return, found 15 hours ago
AU$1,202
Return
found 15 hours ago
Select Air China flight, departing Mon, 21 Sept from Ulaanbaatar to Busan, returning Thu, 1 Oct, priced at AU$1,202 found 15 hours ago

Frequently asked questions

How much does a flight from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) cost?
You can find one-way and return flights from UBN to PUS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when UBN to PUS ticket fares go up or down.
What is the cheapest month to fly from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
The cheapest months to fly from UBN to PUS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
There are 3 airlines offering direct flights from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae). Here are the top carriers:
  • Jeju Air with Bag operates 7 direct flights from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) every week.
  • Jeju Air operates 7 direct flights from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) every week.
  • Jin Air operates 7 direct flights from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) every week.
How do I find cheap flights from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
To find a cheap flight from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
The best airline to fly with from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) will differ from traveler to traveler. If you like to fly early, Jeju Air offers early morning flights. If price is the most important factor, Jeju Air with Bag typically offers the lowest fares. MIAT-Mongolian Airlines offers the most daily flights from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
While there are limited direct flights, you'll find approximately 9 connecting flights per day from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae). This gives you plenty of options to choose from. Some common connection points include Incheon Intl. (ICN), Capital Intl. (PEK), and Baita (HET).
What is the earliest flight from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
The earliest flight from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) typically departs at around 1:35 AM local time, operated by Jeju Air. This is a seasonal service active in May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
You'll find the most flights from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) on a Monday, with around 5 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Air China, Jeju Air, and MIAT-Mongolian Airlines.
What are the most popular departure times for flights from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
The most popular departure times for flights from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) are in the morning, from 6am to 9am. MIAT-Mongolian Airlines offers flights during this window. Many travellers find these early morning flights convenient for arriving at their destination with plenty of time to spare.
How long does it take to fly from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
A direct flight from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) typically takes around 3 hours 48 minutes. This route covers a distance of approximately 5,517 kilometres. If you opt for a flight with one stop, your travel time will be significantly longer, usually around 18 hours 18 minutes. Flights with two or more stops generally take about 19 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.
Can you fly business or first class from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
You can fly business class between UBN and PUS. Airlines that offer business class service on this route include:
  • Air China
How do I earn miles on a Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) flight with Expedia?
It's easy to earn miles on a Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Busan (PUS) from Ulaanbaatar (UBN)?
If you're planning to travel to Busan from UBN, you can fly directly into Gimhae (PUS) which offers international flights and connections. Some flights may connect through major hubs like Capital Intl. (PEK) before reaching Busan. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) at the last minute?
Typically, booking a last minute flight from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) flight and hotel package?
Securing a Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae)?
If you booked your Ulaanbaatar (UBN-Chinggis Khaan Intl.) to Busan (PUS-Gimhae) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Chinggis Khaan Intl.
Destination airport
Gimhae
Airlines serving
Air China, Hahn Air Systems, Jeju Air, Jeju Air with Bag, Korean Air
Roundtrip price
AU$345
Distance
2281 km
Average flight time
4 hours 33 mins

Book with confidence

Your quick guide to flights from Ulaanbaatar to Busan

Pick up great flights from Ulaanbaatar to Busan

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Ulaanbaatar to Busan. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Ulaanbaatar to Busan that take around hours.

Find cheap flights from Ulaanbaatar to Busan

From the great flight deals with prices currently ranging from AU$345 to AU$1,202, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Ulaanbaatar to Busan around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Busan is normally in September.

Reasons to book your flight from Ulaanbaatar to Busan with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Ulaanbaatar to Busan across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Busan right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Ulaanbaatar to Busan

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